Kageyoshi Katakura

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Beginning this year, as part of the Crossministerial Strategic Innovation Promotion Program, Next Generation Marine Resources Survey Technologies (Zipangu Plan for the Sea), tools for marine resources survey use will be developed. In this way, the world's first simple undersea work system that can be used for highly efficient sampling of seabed resources(More)
Ocean resources exploration and underwater works using Remotely Operated Vehicle and Autonomous Underwater Vehicle increase interest, and a techniques of underwater image with acoustic has become a significant concern. Therefore, a development of new underwater acoustic device adapted to ocean resources exploration and underwater works. In this study, we(More)
To reduce size and weight of our underwater acoustic video camera 4-DWISS, we proposed new transmission and reception method that was the advanced frequency controlled beam steering method with new receiver array. The new receiver has a bank of elements configured to inverse the polarization axis adjacent of element, the electrodes are common, which is as(More)
Authors have developed 3D acoustic video camera which is small and light weight in order to mount on ROV for ocean floor resources exploration and/or underwater construction. The objective of this camera is forward looking, surveying and especially monitoring underwater work. Here, a prototype of the camera was developed in short range and high resolution,(More)
Ocean resources exploration and underwater works using Remotely Operated Vehicle and Autonomous Underwater Vehicle increase interest, and a techniques of underwater image with acoustic has become a significant concern. Therefore, a development of new underwater acoustic device adapted to ocean resources exploration and underwater works. In this study, we(More)
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